WM_CTLCOLORBTN hdcButton = (HDC) wParam; hwndButton = (HWND) lParam; Parameters hdcButton Handle to the display context for the button. hwndButton Handle to the button. Return Value If an application processes this message, it must return a handle to a brush. The system uses the brush ...
在绘制按钮之前,WM\_CTLCOLORBTN消息将发送到按钮的父窗口。 父窗口可以更改按钮的文本和背景色。 但是,只有所有者绘制的按钮响应处理此消息的父窗口。
WM_CTLCOLOREDIThdcEdit = (HDC)wParam;hwndEdit = (HWND)lParam; Parameters hdcEdit Handle to the device context for the edit control window. hwndEdit Handle to the edit control. Return Values If an application processes this message, it must return the handle of a brush. The system uses the...
还须注意的是,虽然WM-CTLCOLOR消息对Push button是适用的,但是从Windows 3.0及其以后的版本的系统中,加入了用户程序不能修改按钮外观颜色的限制,如果要达到您想要的效果的话,您需要使用owner-drawn button。 关于WM_CTLCOLORBTN的进一步的信息,您可以参考http://msdn.microsoft.com/library/default.asp?url=/library...
WM\_CTLCOLOR消息在 16 位版本的 Windows 中用于更改列表框、组合框的列表框、消息框、按钮控件、编辑控件、静态控件和对话框的配色方案。注意 有关此消息和 32 位版本的 Windows 的信息,请参阅“备注”。
WM_CTLCOLOREDIT hdcEdit = (HDC) wParam; hwndEdit = (HWND) lParam; ParametershdcEdit Handle to the device context for the edit control window. hwndEdit Handle to the edit control.Return ValuesIf an application processes this message, it must return the handle of a brush. The system uses ...
WM_CTLCOLORLISTBOX '当一个列表框控件将要被绘制前发送此消息给它的父窗口'通过响应这条消息,所有者窗口可以通过使用给定的相关显示设备的句柄来设置列表框的文本和背景颜色 WM_CTLCOLORBTN '当一个按钮控件将要被绘制时发送此消息给它的父窗口'通过响应这条消息,所有者窗口可以通过使用给定的相关显示设备的句柄来...
WM_CTLCOLORSTATIC hdcStatic = (HDC) wParam; hwndStatic = (HWND) lParam; Parameters hdcStatic Handle to the device context for the static control window. hwndStatic Handle to the static control. Return Value If an application processes this message, the return value is a handle to a brush ...
https://docs.microsoft.com/en-us/previous-versions/aa928292(v=msdn.10)?redirectedfrom=MSDN WM_COPYDATA wParam = (WPARAM)(HWND) hwnd; lParam = (LPARAM)(PCOPYDATASTRUCT) pcds; 可以通过工具Spy++获取目标窗口的标题文本和窗口类名。
https://docs.microsoft.com/en-us/previous-versions/aa928292(v=msdn.10)?redirectedfrom=MSDN WM_COPYDATA wParam = (WPARAM)(HWND) hwnd; lParam = (LPARAM)(PCOPYDATASTRUCT) pcds; 可以通过工具Spy++获取目标窗口的标题文本和窗口类名。